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Subject:
astronomy
Category: Science Asked by: dinodinosaur-ga List Price: $5.00 |
Posted:
06 Nov 2005 17:55 PST
Expires: 06 Dec 2005 17:55 PST Question ID: 589916 |
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There is no answer at this time. |
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Subject:
Re: astronomy
From: herrbrahms-ga on 07 Nov 2005 16:42 PST |
Hi Dennis, I used Starry Night 5 to plot this for you. In order to view these images, I recommend turning off the lights in the room, then viewing them as a full screen at 1024x768 resolution. At first glance it probably looks pretty bland, but in the dark, it'll look much as the real night sky does. You can choose to identify whichever stars you wish to match up with the Sun. The files are designed to give you four different looks at this patch of sky, as seen from Sirius. A wide and tight shot, both with the constellations drawn in, and without them. Note the approximate size of the constellations that already exist. The trouble with your idea, on the surface, is that 1) you are not far enough from the Sun to substantially change what the sky looks like 2) you're merely adding one star to the mix. Poetically it is quite beautiful, but as a matter of science, you have to get much farther from home to substantially change the sky. And the Catch 22 is that if you get much farther away than this, the Sun soon becomes an anonymous speck among stars. Consider yourself fortunate in that respect, though. If we had to live near an O or B class blue star, chances are next to zero that a planet capable of sustaining life would have evolved. They burn with an intensity many times that of our star, and live lives much shorter. They are rock stars, and you don't want a rock star living next door. One last thing: the Summer Triangle is an asterism, which is an informal collection of stars that people use for reference. It's different from a constellation, which is officially recognized as a certain patch of the sky. The most famous example is the Big Dipper, which is an asterism that forms only part of the constellation Ursa Major, the Great Bear. What I'm getting at, is that this anchor I identified is way too big to be a conventional constellation. If you wanted something more constellation-sized, you'd probably connect the Sun into Aquila somehow. If you were to do that, you'd probably want to use the closer view of that particular area of sky, in order to evaluate what you think it looks like. So I'm giving you the two close images for that purpose. I'm reposting this email on google so others can read. Too bad I can't post the pictures also. Good luck with your project! Dan Adams |
Subject:
Re: astronomy
From: herrbrahms-ga on 07 Nov 2005 17:43 PST |
Gah! They removed my post because my name was in it or something...let's try again. Hi you, I used Starry Night 5 to plot this for you. In order to view these images, I recommend turning off the lights in the room, then viewing them as a full screen at 1024x768 resolution. At first glance it probably looks pretty bland, but in the dark, it'll look much as the real night sky does. You can choose to identify whichever stars you wish to match up with the Sun. The files are designed to give you four different looks at this patch of sky, as seen from Sirius. A wide and tight shot, both with the constellations drawn in, and without them. Note the approximate size of the constellations that already exist. The trouble with your idea, on the surface, is that 1) you are not far enough from the Sun to substantially change what the sky looks like 2) you're merely adding one star to the mix. Poetically it is quite beautiful, but as a matter of science, you have to get much farther from home to substantially change the sky. And the Catch 22 is that if you get much farther away than this, the Sun soon becomes an anonymous speck among stars. Consider yourself fortunate in that respect, though. If we had to live near an O or B class blue star, chances are next to zero that a planet capable of sustaining life would have evolved. They burn with an intensity many times that of our star, and live lives much shorter. They are rock stars, and you don't want a rock star living next door. One last thing: the Summer Triangle is an asterism, which is an informal collection of stars that people use for reference. It's different from a constellation, which is officially recognized as a certain patch of the sky. The most famous example is the Big Dipper, which is an asterism that forms only part of the constellation Ursa Major, the Great Bear. What I'm getting at, is that this anchor I identified is way too big to be a conventional constellation. If you wanted something more constellation-sized, you'd probably connect the Sun into Aquila somehow. If you were to do that, you'd probably want to use the closer view of that particular area of sky, in order to evaluate what you think it looks like. So I'm giving you the two close images for that purpose. I'm reposting this email on google so others can read. Too bad I can't post the pictures also. Good luck with your project! ~me |
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